43-2 



Proceedings of the American Academy of Arts and Sciences. 

 Vol. XLIII. No. 2. — June, 1907. 



CONTRIBUTIONS FROM THE GRAY HERBARIUM OF 

 HARVARD UNIVERSITY. 



New Series. — No. XXXIV. 



I. New Species of Senecio and Schoenocaulon from Mexico- By 

 J. M. Green. man. 



II. New or otherwise Noteworthy Spermatophytes, chiefly from 

 Mexico. By B. L. Robinson. 



III. New Plants from Guatemala and Mexico collected chiefly by 



C. C. Deam. By B. L. Robinson and II. II. Bartlett. 



IV. Diagnoses of New Spermatophytes from Mexico. By M. L. 



Fernald. 



